Senior Software Engineer – SAI/SDK

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Cornelis Networks

WebsiteLinkedInAll Job Openings

51 - 200 employees

🤖 Artificial Intelligence

🔧 Hardware

🏢 Enterprise

💰 $29M Series B on 2022-11

Artificial Intelligence • Hardware • Enterprise

Cornelis Networks is a leading provider of intelligent, scalable, high-performance interconnects designed for AI applications. The company specializes in delivering end-to-end purpose-built high-performance fabrics to commercial, scientific, academic, and government organizations. Cornelis Networks’ solutions are aimed at enhancing performance, scalability, and efficiency across hyperscale, cloud AI, and on-premises AI/HPC environments. Their offerings are known for scalable architecture, high bandwidth solutions, and universal compatibility with accelerators and GPUs. Originating as an Intel spin-off, the company is positioned to challenge existing technologies like InfiniBand and Ethernet, providing advanced interconnects that power modern AI infrastructure.

📋 Description

• Design and implement SAI object types and APIs for switch ASIC platforms, supporting multiple operational modes and architectures • Develop and maintain switch SDK components, including low-level ASIC drivers, control plane interfaces, and hardware abstraction layers • Integrate SAI/SDK with SONiC and other network operating system platforms • Build and maintain test frameworks, harnesses, and CI/CD pipelines for SAI/SDK validation • Write comprehensive unit and integration tests • Profile and optimize SAI/SDK performance for latency, throughput, and resource utilization • Collaborate with hardware, firmware, and systems teams to define ASIC requirements and resolve integration issues • Conduct code reviews, mentor junior engineers, and establish best practices for SAI/SDK development • Leverage AI coding assistants and emerging tooling to accelerate development velocity and code quality • Partner with the Principal Engineer on architecture and implementation and own key subsystems

🎯 Requirements

• BS in Computer Science, Computer Engineering, or related field • 7–10 years of software engineering experience • Strong proficiency in C/C++ with deep understanding of systems programming • Hands-on experience with switch ASIC/SDK development on Broadcom, Marvell, Intel, or similar platforms • Linux systems programming experience, including kernel interfaces and driver development • Strong debugging and problem-solving skills for complex hardware/software integration issues • Excellent communication and collaboration skills • Commitment to AI-first development practices and continuous learning of emerging AI tooling • SAI (Switch Abstraction Interface) implementation experience preferred • SONiC or other network operating system platform integration experience preferred • Network protocol implementation experience, including L2/L3 switching and routing, preferred • High-speed interconnect protocol knowledge preferred • Hardware/ASIC architecture understanding preferred • Performance optimization and profiling experience with perf, gprof, valgrind, or similar tools preferred • Open-source contribution history preferred • Technical leadership and mentoring experience preferred • Experience with AI-assisted development tools such as GitHub Copilot or Cursor preferred • Familiarity with test automation frameworks and CI/CD systems preferred

🏖️ Benefits

• Competitive compensation package including performance incentives and equity participation • Additional benefits depending on geographic location • Paid holidays • Flexible work arrangements • AI-first development practices and access to AI coding assistants and emerging tooling • Career growth opportunities